Cross-Site Scripting (XSS) vulnerability in @cyntler/react-doc-viewer v1.17.1 allows remote attackers to execute arbitrary JavaScript via a crafted .txt file. The TXTRenderer component fails to sanitize file content and explicitly casts raw data as a ReactNode

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/cyntler/react-doc-viewer/issues/317 cve-icon cve-icon
https://github.com/walidriouah/CVE-2026-30691 cve-icon cve-icon cve-icon
History

Wed, 20 May 2026 19:15:00 +0000

Type Values Removed Values Added
Title Cross‑Site Scripting via Unsanitized Text Rendering in @cyntler/react-doc-viewer

Wed, 20 May 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 20 May 2026 17:45:00 +0000

Type Values Removed Values Added
Description Cross-Site Scripting (XSS) vulnerability in @cyntler/react-doc-viewer v1.17.1 allows remote attackers to execute arbitrary JavaScript via a crafted .txt file. The TXTRenderer component fails to sanitize file content and explicitly casts raw data as a ReactNode
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-20T17:50:41.324Z

Reserved: 2026-03-04T00:00:00.000Z

Link: CVE-2026-30691

cve-icon Vulnrichment

Updated: 2026-05-20T17:50:13.807Z

cve-icon NVD

Status : Received

Published: 2026-05-20T18:16:26.760

Modified: 2026-05-20T18:16:26.760

Link: CVE-2026-30691

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-20T19:00:07Z

Weaknesses